Full-touch type shock absorption and pressure reduction artificial limb receiving cavity

By designing adjustable rubber plates and spring structures in the prosthetic limb receptive cavity, the existing receptive cavity size fixation and lack of protection are solved, and the adaptation and shock absorption effect for different limb sizes is achieved, which improves the wearer's comfort and convenience of use.

CN222815915UActive Publication Date: 2025-05-02ENDELAI REHABILITATION UTENSIL BEIJING

Patent Information

Application Number
CN202421394762.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-05-02
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing prosthetic limbs have fixed sizes, which are difficult to adapt to limbs of different sizes, and lack of protective devices inside, resulting in impacts during running and jumping, affecting the comfort of wearing.

Method used

A fully touch shock-absorbing and pressure-reducing prosthetic receiving cavity is designed. By installing multiple rubber plates on the inner side wall of the receiving cavity, and using the cooperation of the second spring and the telescopic rod, the adaptation of different limb sizes is achieved. At the same time, rubber pads and limit inserts are installed at the circumferential end of the receiving cavity to form a shock-absorbing protection mechanism.

Benefits of technology

Through the cooperation of rubber plates and springs, the device can adapt to limbs of different sizes, provide a comfortable wrapping feeling, and plays a role in cushioning and shock absorption during running and jumping, improving the wearer's comfort. At the same time, through a design that is easy to disassemble, the convenience of cleaning and use is improved.

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Abstract

The utility model discloses a full touch type shock absorption and pressure reduction prosthetic socket, relates to prosthetic socket technical field, the full touch type shock absorption and pressure reduction prosthetic socket comprises a receiving outer cavity, a protection mechanism convenient for shock absorption protection is arranged in the receiving outer cavity, the protection mechanism comprises a limit insert block and a receiving inner cavity, the limit insert block is arranged in the receiving inner cavity, and the limit insert block is arranged in the receiving inner cavity. The number of the limiting inserting blocks is two, the two limiting inserting blocks are located at the circumferential ends of the outer receiving cavity respectively, the inner receiving cavity is located on the inner side wall of the outer receiving cavity, and a plurality of rubber plates are arranged on the inner side wall of the inner receiving cavity. The rubber plates, the telescopic rods and the second springs are arranged to be matched, when a wearer wears the shoes, the second springs rebound to drive the rubber plates to wrap the limbs of the wearer, then the shoes are matched with the limbs of different wearers, the rubber plates are made of soft materials, the second springs have certain deformability, and therefore the shoes are more comfortable to wear. When a wearer runs, jumps and the like, buffering and damping effects can be achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of prosthetic limb receiving cavities, in particular to a full-touch shock-absorbing and decompressing prosthetic limb receiving cavity. Background Art

[0002] The prosthetic socket is the key component that connects the prosthesis to the amputee's residual limb. Its main functions are to bear body weight, transmit motion and provide comfort.

[0003] At present, the existing screw straightening device (such as patent number: CN219070817U) discloses a lower leg prosthesis. The utility model uses a spiral locking groove to enable the prosthesis connection structure as a whole to be quickly disassembled and connected with the supporting connection structure, thereby reducing the weight of the prosthesis as a whole, making it easier for disabled people to independently take the prosthesis structure cavity for disinfection and cleaning.

[0004] However, in the process of implementing the above technical solution, it was found that there are at least the following technical problems: the existing receiving cavity has a fixed size and is difficult to adapt to limb sizes of different sizes, and there is no protective device inside. When the wearer performs actions such as running and jumping, there may be a certain impact, affecting the wearing comfort. Utility Model Content

[0005] (I) Technical problems to be solved: In view of the deficiencies in the prior art, the present invention provides a full-touch shock-absorbing and decompression prosthetic receiving cavity, which solves the technical problems that the existing receiving cavities are of fixed size, difficult to adapt to limbs of different sizes, and have no protective device inside. When the wearer performs actions such as running and jumping, there may be certain impacts, affecting the wearing comfort.

[0006] (II) Technical solution: To achieve the above objectives, the present utility model is implemented through the following technical solutions:

[0007] A full-touch shock-absorbing and decompression prosthetic receiving cavity comprises an outer receiving cavity, wherein a protective mechanism for shock-absorbing protection is arranged in the outer receiving cavity, wherein the protective mechanism comprises a limit plug and an inner receiving cavity, wherein the limit plug is two in number, and the two limit plugs are respectively located at the circumferential ends of the outer receiving cavity, the inner receiving cavity is located at the inner side wall of the outer receiving cavity, the inner side wall of the inner receiving cavity is provided with a plurality of rubber plates, the circumferential end of the outer receiving cavity is penetrated by two rectangular slide grooves, the circumferential end of the outer receiving cavity is also fixedly installed with two rubber pads, the circumferential end of the inner side wall of the outer receiving cavity is provided with two limit slide grooves, the two limit plugs are respectively slidably installed on the inner side walls of the two rectangular slide grooves, the side ends of the two limit plugs are fixedly installed with pull plates, and a first spring is fixedly installed between the two pull plates and the outer receiving cavity.

[0008] Preferably, two fixed slide bars are fixedly mounted on the circumferential end of the receiving inner cavity, and the two fixed slide bars are respectively slidably mounted on the inner side walls of the limiting slide groove, and the side ends of the two fixed slide bars are both provided with card slots.

[0009] Preferably, at least two second springs are fixedly installed between each rubber plate and the inner side wall of the receiving cavity, and at least two telescopic rods are also fixedly installed between each rubber plate and the inner side wall of the receiving cavity, and each telescopic rod is located on the inner side wall of the second spring.

[0010] (III) Beneficial effects: 1. The device is equipped with a rubber plate, a telescopic rod and a second spring. When the wearer wears it, the second spring can rebound to drive each rubber plate to wrap the wearer's limbs, thereby adapting to the limbs of different wearers. The rubber plate is made of a relatively soft material, and the second spring has a certain deformation ability. When the wearer performs actions such as running and jumping, it can play a role in buffering and shock absorption, thereby ensuring the wearer's comfort.

[0011] 2. The device is provided with a receiving inner cavity which is easy to disassemble. The receiving inner cavity can be disassembled by pulling the pull plate to drive the limiting plug to leave the inner wall of the card slot, so that the wearer can disassemble and clean the receiving inner cavity, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0013] Figure 1 This is a structural diagram of the receiving outer cavity of the utility model;

[0014] Figure 2 This is a structural diagram of the receiving inner cavity of the utility model;

[0015] Figure 3 This is a structural diagram of the pull plate of the utility model;

[0016] Figure 4 It is the structural diagram of the rubber plate of the utility model.

[0017] Legend: 1. Receiving outer cavity; 11. Rubber pad; 12. Rectangular slide groove; 13. Limiting slide groove; 2. Limiting plug; 21. Pull plate; 22. First spring; 3. Receiving inner cavity; 31. Fixed slide rod; 32. Slot; 4. Rubber plate; 41. Second spring; 42. Telescopic rod. DETAILED DESCRIPTION

[0018] The embodiment of the present application provides a full-touch shock-absorbing and decompressing prosthetic receiving cavity, which effectively solves the technical problem that the existing receiving cavity is of fixed size, difficult to adapt to limbs of different sizes, and has no protective device inside. When the wearer performs actions such as running and jumping, there may be certain impacts, which affects the wearing comfort. The device is provided with a rubber plate 4, a telescopic rod 42 and a second spring 41. When the wearer wears the device, the rebound of the second spring 41 can drive each rubber plate 4 to wrap the wearer's limbs, thereby adapting to different wearer's limbs.

[0019] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 The technical solution in the embodiment of the present application is to effectively solve the technical problem that the existing receiving cavity is of fixed size, difficult to adapt to limb sizes of different sizes, and no protective device is provided inside. When the wearer performs actions such as running and jumping, there may be certain impacts, which affects the comfort of wearing. The overall idea is as follows: a full-touch shock-absorbing and decompression prosthetic receiving cavity, including a receiving outer cavity 1, a protective mechanism for facilitating shock-absorbing protection is provided in the receiving outer cavity 1, the protective mechanism includes a limiting plug 2 and a receiving inner cavity 3, the number of the limiting plug 2 is two, the two limiting plugs 2 are respectively located at the circumferential ends of the receiving outer cavity 1, the receiving inner cavity 3 is located at the inner side wall of the receiving outer cavity 1, a plurality of rubber plates 4 are provided on the inner side wall of the receiving inner cavity 3, the circumferential end of the receiving outer cavity 1 is penetrated by two rectangular slide grooves 12, the circumferential end of the receiving outer cavity 1 is also fixedly installed with two rubber pads 11, the circumferential end of the receiving outer cavity 1 is provided with two limiting slide grooves 13, and the two limiting The positioning plug blocks 2 are respectively slidably installed on the inner side walls of the two rectangular slide grooves 12, and the side ends of the two limiting plug blocks 2 are fixedly installed with pull plates 21, and the first springs 22 are fixedly installed between the two pull plates 21 and the receiving outer cavity 1. When using the device, the user can install the receiving inner cavity 3 in the receiving outer cavity 1, and the user can pull the two pull plates 21. The movement of the two pull plates 21 will drive the limiting plug blocks 2 to move. At this time, the pull plates 21 on both sides will be stretched. When the two limiting plug blocks 2 move to the inner side walls of the rectangular slide groove 12, the user can press the receiving inner cavity 3 to the inner side wall of the receiving outer cavity 1, and the two fixed slide bars 31 on the receiving inner cavity 3 will slide into the limiting slide groove 13. After the receiving inner cavity 3 completely slides into the inner side wall of the receiving outer cavity 1, the user can release the pull plate 21. At this time, the first spring 22 will rebound and drive the pull plate 21 to move, so that the two limiting plug blocks 2 enter the card slot 32, limit the receiving inner cavity 3, and complete the installation of the receiving inner cavity 3;

[0020] Two fixed slide bars 31 are fixedly installed at the circumferential end of the receiving inner cavity 3, and the two fixed slide bars 31 are respectively slidably installed on the inner side wall of the limiting slide groove 13, and the side ends of the two fixed slide bars 31 are provided with a card slot 32, and at least two second springs 41 are fixedly installed between each rubber plate 4 and the inner side wall of the receiving inner cavity 3. A plurality of rubber plates 4 are arranged in the receiving inner cavity 3, and the user can adapt the second spring 41 to the limb size of the wearer when wearing it;

[0021] At least two telescopic rods 42 are fixedly installed between each rubber plate 4 and the inner wall of the receiving cavity 3. Each telescopic rod 42 is located on the inner wall of the second spring 41. The rubber plate 4 is made of a relatively soft material, and the second spring 41 has a certain deformation ability, which can play a role in buffering and shock absorption when the wearer performs actions such as running and jumping, thereby ensuring the wearer's comfort.

[0022] In view of the problems existing in the prior art, the utility model provides a full-touch shock-absorbing and decompression prosthetic receiving cavity. The device is provided with a rubber plate 4, a telescopic rod 42 and a second spring 41. When the wearer wears the device, the rebound of the second spring 41 can drive each rubber plate 4 to wrap the wearer's limbs, thereby adapting to different wearers' limbs.

[0023] Working principle: When using the device, the user can install the receiving inner cavity 3 in the receiving outer cavity 1, and the user can pull the two pull plates 21. The movement of the two pull plates 21 will drive the limit plug 2 to move. At this time, the pull plates 21 on both sides will be elongated. When the two limit plugs 2 move to the inner wall of the rectangular slide groove 12, the user can press the receiving inner cavity 3 to the inner wall of the receiving outer cavity 1, and the two fixed slide bars 31 on the receiving inner cavity 3 will slide into the limit slide groove 13. After the receiving inner cavity 3 completely slides into the inner wall of the receiving outer cavity 1, the user can release the pull plate 21. At this time, the first spring 22 will rebound and drive the pull plate 21 to move, so that the two limit plugs 2 enter the card slot 32, limit the receiving inner cavity 3, and complete the installation of the receiving inner cavity 3. A plurality of rubber plates 4 are provided in the receiving inner cavity 3. When the user wears it, the deformation ability of the second spring 41 can be used to adapt it to the wearer's limb size. In the existing receiving cavity, its size is fixed, which is difficult to adapt to limbs of different sizes, and there is no protective device inside. When the wearer performs actions such as running and jumping, there may be a certain impact, which affects the comfort of wearing. The device is provided with a rubber plate 4, a telescopic rod 42 and a second spring 41. When the wearer wears it, the second spring 41 can rebound and drive each rubber plate 4 to wrap the wearer's limbs, thereby adapting to different wearer's limbs. The rubber plate 4 is made of a relatively soft material, and the second spring 41 has a certain deformation ability. When the wearer performs actions such as running and jumping, it can play a role in buffering and shock absorption, thereby ensuring the comfort of the wearer. The device is provided with a receiving inner cavity 3 that is easy to disassemble. The receiving inner cavity 3 can be disassembled by pulling the pull plate 21 to drive the limiting plug 2 to leave the inner wall of the slot 32, so that the wearer can disassemble and clean the receiving inner cavity 3, which is convenient for the wearer to use.

[0024] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A full-touch shock-absorbing and decompressing prosthetic receiving cavity, comprising an external receiving cavity (1), characterized in that: The receiving outer cavity (1) is provided with a protection mechanism for facilitating shock absorption protection; The protective mechanism comprises a limit plug (2) and a receiving inner cavity (3), the number of the limit plug (2) is two, the two limit plugs (2) are respectively located at the circumferential ends of the receiving outer cavity (1), the receiving inner cavity (3) is located at the inner side wall of the receiving outer cavity (1), the inner side wall of the receiving inner cavity (3) is provided with a plurality of rubber plates (4), at least two second springs (41) are fixedly installed between each of the rubber plates (4) and the inner side wall of the receiving inner cavity (3), at least two telescopic rods (42) are also fixedly installed between each of the rubber plates (4) and the inner side wall of the receiving inner cavity (3), and each of the telescopic rods (42) is located at the inner side wall of the second spring (41).

2. A full-touch shock-absorbing and decompressing prosthetic receiving cavity as claimed in claim 1, characterized in that: Two rectangular slide grooves (12) are provided through the circumferential end of the receiving outer cavity (1), and two rubber pads (11) are fixedly mounted on the circumferential end of the receiving outer cavity (1).

3. A full-touch shock-absorbing and decompressing prosthetic receiving cavity as claimed in claim 2, characterized in that: Two limiting sliding grooves (13) are formed at the circumferential end of the inner side wall of the receiving outer cavity (1); The two limiting plug blocks (2) are respectively slidably mounted on the inner side walls of the two rectangular sliding grooves (12).

4. A full-touch shock-absorbing and decompressing prosthetic receiving cavity as claimed in claim 3, characterized in that: A pull plate (21) is fixedly mounted on the side ends of the two limit plug blocks (2), and a first spring (22) is fixedly mounted between the two pull plates (21) and the receiving outer cavity (1).

5. A full-touch shock-absorbing and decompressing prosthetic receiving cavity as claimed in claim 4, characterized in that: Two fixed slide bars (31) are fixedly mounted on the circumferential end of the receiving inner cavity (3), and the two fixed slide bars (31) are respectively slidably mounted on the inner side walls of the limiting slide groove (13); Wherein, the side ends of the two fixed sliding rods (31) are each provided with a clamping groove (32).

Citation Information

Patent Citations

  • Shank artificial limb

    CN219070817U

Cited By

  • Prosthetic socket for a below-knee ultra-short residual limb

    CN224735405U